Specifications:
1.Product name:2 ports -Express USB3.1 expansion card
2.High-tech ,high transfer rate,stable
3. hot Swap
4.Transmission rate:
USB2.0 mode: up to 480Mbps;
USB3.0 mode: up to 5Gbps;
USB3.1 mode: up to 10Gbps;
5.Backward compatible with USB2.0, USB3.0 and -Express 1.0
6. Output: 5V / 2.0A (each USB3.1 interface)
7.External supply: 4pin supply can be connected to provide more electricity
8.Operating system: Win7 / WIN8 / WIN8.1 / WIN10
9. slot:-E 4X, -E 8X, -E 16X
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a